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#987 Turning an age that can be divided by a fairly large number

So, birthdays were usually fun when you were a kid, really fun.  You’d get clowns, ponies, pools, hookers, presents… what a blast.  But as you get older some of things start to fade away (some, of course stay), and birthdays start to become more of a chore then a pleasure.  And the real kick in the balls is when there are somewhat large numbers that evenly divide your new age.  By large number I mean a number that at that age you can distinctly remember, and you weren’t a tiny kid.  So dividing a number is one of the most (if not the most) basic concepts.  It says the following:

For integers J and I, J divides I iff there exists an integer K , where K is neither 1 nor I and JK = I.

A simple example, 2 divides 6 because 2×3 = 6.  But, keeping with the elementary number theory theme, it’s no better, necessarily to have a prime age — especially a Mersenne Prime age, which is an integer of the form 2n-1 for some n>0.  I’d say after n=4, birthday’s start to resemble bowl movements.

What do you think?